Based on an analysis of the natural resoures phenomenon of electromagnetic system, this paper has briefly described physical basis of the odd point expansion method and the pole extraction method, and dealt with the possibility of applying the odd point expansion method to gaphysics.

Numerical evaluation of inner flow within low specific speed impeller of common centrifugal pump was evaluated numerically by using singularity distribution method.

In view of the case that the calculation accuracy of existing quasi three dimensional method for the flow calculation within centrifugal impeller with low specific speed is still dissatisfactory, the singularity distribution method is adopted to calculate such flow field.

This paper discusses the development of CAD software in designing runner blades of axial flow hydraulic turbines with the method of singular point distribution.

Hydrodynamic derivatives of a submerged body containing a rotational body, enclosing shell, cross foil and annular airfoil are calculated using the method of singular point distribution on condition that the fluid is steady and potential as well as incompressible.

In this paper the isotropicalized outside singular point method for solving the bending problem of reienforced concrete plate is proposed.

In the present paper, tin- problem of Keissner s plate is transformed into a series problems of Kirchhoff s plate by perturbation, and then the simple Green s function of Kirchhoff s plate is used tor the outside singular point method.